BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 37 30.6%
2 China 34 28.1%
3 United Kingdom 13 10.7%
4 Russia 10 8.3%
5 France 5 4.1%
6 Korea, Republic of 4 3.3%
7 Germany 3 2.5%
8 Japan 3 2.5%
9 India 2 1.7%
10 Estonia 2 1.7%
11 Latvia 2 1.7%
12 Poland 1 0.8%
13 Spain 1 0.8%
14 Ukraine 1 0.8%
15 Australia 1 0.8%
16 Czech Republic 1 0.8%
17 Hong Kong 1 0.8%